We build Shopify apps that merchants rely on.
CartStack is a focused product studio crafting tools for the Shopify ecosystem. Purpose-built apps. No bloat. No compromises.
See our apps ↓Approach
Built for Shopify, nothing else.
Every app we ship is designed exclusively for Shopify. We go deep on one platform so merchants get tools that feel native, not bolted on.
Quality over quantity.
We ship fewer apps and make each one count. Thoughtful UX, reliable infrastructure, and support that actually responds.
Independent and merchant-first.
No venture funding. No growth-at-all-costs. We build sustainable tools that stick around because they earn their place in your stack.
Our Apps
FeedbackStack
Collect and manage customer feedback, directly inside Shopify.
Refererly
Turn your customers into your best acquisition channel.
More on the way
We have a pipeline of purpose-built tools in development.
Let's talk.
Whether you're a merchant looking for a custom solution or a partner exploring collaboration — we'd like to hear from you.
Or email us directly at hello@cartstack.app